433402121 has 8 divisors (see below), whose sum is σ = 438384264. Its totient is φ = 428440320.

The previous prime is 433402093. The next prime is 433402157. The reversal of 433402121 is 121204334.

It can be written as a sum of positive squares in 4 ways, for example, as 22934521 + 410467600 = 4789^2 + 20260^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 433402121 - 2¹⁰ = 433401097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 433402093 and 433402102.

It is not an unprimeable number, because it can be changed into a prime (433462121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40031 + ... + 49691.

It is an arithmetic number, because the mean of its divisors is an integer number (54798033).

Almost surely, 2^433402121 is an apocalyptic number.

It is an amenable number.

433402121 is a deficient number, since it is larger than the sum of its proper divisors (4982143).

433402121 is a wasteful number, since it uses less digits than its factorization.

433402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 433402121 is about 20818.3121554078. The cubic root of 433402121 is about 756.7695993754.

Adding to 433402121 its reverse (121204334), we get a palindrome (554606455).

The spelling of 433402121 in words is "four hundred thirty-three million, four hundred two thousand, one hundred twenty-one".